The tests have not been approved by federal regulators, but that hasn’t stopped patients from wanting them — and doctors from worrying.

The recent FDA approval of the IsoPSA blood test may represent a notable advancement in prostate cancer screening and diagnosis. Developed by Cleveland Diagnostics, the in vitro diagnostic instrument ...

The test confirms the scientific validity of the biomarkers used in the lab, led by researcher Carleara Weiss, and increases ...

Your blood serves numerous roles to maintain your health. To carry out these functions, blood contains a multitude of components, including red blood cells that transport oxygen, nutrients and ...

That said, several key categories of biomarkers can provide meaningful insight into long-term health.

For years, it has been one of the most tantalizing ideas in medicine: One day, a simple blood test will detect nascent cancers — allowing doctors to intervene when tumors may be easier to treat. A ...

How do everyday health issues affect new blood tests for Alzheimer's disease? A study from Karolinska Institutet, published ...